Synthesis and photochromic properties of methoxy substituted 2,2-diaryl-2H-naphtho[1,2-b]pyrans
A series of methoxy-substituted 2,2-di(4-methoxyphenyl)-2H-naphtho[1,2-b]pyrans has been synthesised from 3-alkoxycarbonyl-1-naphthols and 1,1-di(4-methoxyphenyl)prop-2-yn-1-ol. The influence of the methoxy group on the wavelength of maximum absorption an
Gabbutt, Christopher D.,Hepworth, John D.,Heron, B. Mark,Thomas, David A.,Kilner, Colin,Partington, Steven M.
p. 567 - 582
(2007/10/03)
Synthesis of some 1,2,3,8-tetrasubstituted naphthalenes
Efficient methods for the synthesis of 3,4,5-trimethoxynaphthalene-2-carboxylic acid (7) and 2,8-dimethoxy-3-methylnaphthalene-l-carboxylic acid (25) are described.
Comber, Mark F.,Morris, Jonathan C.,Sargent, Melvyn V.
p. 19 - 22
(2007/10/03)
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